(6) The front wall of a factory shown below has to be painted. The area of the entrance shown in grey does not need to be painted. If the cost of painting is €40 per square m, find the total cost for painting the entire wall.
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6
Answer:
€14400
Step-by-step explanation:
Area of the whole wall = L × B
= 16m × 24 m
= 384m²
Area of wall not to be painted = l × b
= 4m × 8m
= 24m²
∴ Area of the wall to be painted = Area of the whole wall - Area of wall not to be painted
= 384m²- 24m²
= 360m²
total cost of painting = 360 × €40
= €14400
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2
Answer:
€ 14080
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